Mia, M. ., Gupta, M. K. ., Pruncu, C. I. ., Sen, B. ., Khan, A. M. ., Jamil, M. ., Faraz, S. ., Asef, F. ., Imran, G. S. . and Rahman, M. A. . (2020) “Six sigma optimization of multiple machining characteristics in hard turning under dry, flood, MQL and solid lubrication”, Journal of Production Systems and Manufacturing Science, 1(1), pp. 57–68. Available at: https://www.imperialopen.com/index.php/JPSMS/article/view/1 (Accessed: 19 May 2021).